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In the twenty-first century, the Internet of Things (IoT) is rapidly becoming one of the most influential technologies that connect billions of devices to the Internet. The importance and rapid growth of IoT technology make it an undeniably significant area of study in the contemporary world. This study evaluates the performance and research trends of East Asian countries in the area of Internet of Things (IoT) using scientometric tools. This paper collected 1146 data from Scopus over a period of 5 years (2016–2020). MS Excel, VOSviewer, and Biblioshiny were used to analyze the data using various Scientometric indicators. Cluster analysis and network visualization techniques are employed to evaluate the data and results are presented in tables and graphs. The finding shows that the topic has been exponential growth in recent years. China continues to top the IoT research rankings. The joint author contributed the most publications, and "Electronics (Switzerland)" is the most preferred journal for publication, followed by IEEE journals. In addition, the study found significant growth in smart environments such as "smart factories," "machine learning," "smart cities," "wireless sensor networks," "blockchains," etc., which pose significant concerns for many researchers. The study concludes with recommendations for future research. [ABSTRACT FROM AUTHOR]